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정승희,김평년 노인간호학회 2004 노인간호학회지 Vol.6 No.1
Purpose : The purpose of this study was to identify the educational needs of women with osteoporosis. Method : A tool was developed on the basis of related references and consisted of items on educational needs of women with osteoporosis. The participants were 147 women who were diagnosed with osteoporosis between April 21 and May 9, 2003. Result : Educational needs were above the mid level and were in order of frequency, exercise, disease, medication and diet. For exercise, the following were scored higher, prevention and management of fractures, methods to maintain therapeutic posture, and effects of exercise. Conclusion : Considering that the need related to exercise for women with osteoporosis was high, education programs should be centered on exercise in order to increase the effects of education.
인터리버를 이용한 eHDR-WPAN 시스템의 성능 분석
정승희,이현재,오창헌 한국기술교육대학교 2006 論文集 Vol.12 No.1
In this paper, we propose a performance of improvement method for eHDR-WPAN system with Interleaver. The pattern of burst error caused by fading in indoor wireless channel. For the reason, using of Interleaver(make burst error to random error) can be enhanced to error-rate in eHDR-WPAN system. Interleaver at the simulation considered Convolutional, Block and Random, respectively. Available symbol spacing of Interleaver is assumed 9 and 27. In results, Block-Interleaver is shown that a performance of improvement about 0.6dB of E_(b)/N_(o) at 10^(-4). Therefore, the suitable Interleaver for eHDR-WPAN system was 9 symbol spacing of Block Interleaver.